package kr.hkit.powerjava.chapter11;

class Animal{
	public void sound(){
		
	}
}

class Dog extends Animal{
	public void saund(){
		System.out.println("멍멍");
	}
}

public class DogTest {
	public static void main(String[] args) {
		Dog d = new Dog();
		d.saund();
	}
}
